

It’s possible but the ones where we can see the underside appear to be deliquescing to ink which is what makes me think Coprinopsis Lagopus group is more likely. It’s difficult to tell for sure without a closeup.
I actually just posted some Parasola this morning.
I’m here for the rock facts but some of these character designs are super cringe.
I assume the bigwigs wouldn’t let them make an anime about rocks unless it was also about boobs.